注：阀门连接法兰尺寸可根据用户要求设计制造。 Note The sizes of valve connecting flange can be designed according to customers‘requirement
主要零件材料Major parts material form
序号No.
零件名称 Accessory name
材料Material
普通型Ordinary type
抗硫型Antisulphur type
GB
ASTM
GB
ASTM
1
阀体Body
WCB
A216-WCB
WCB
A216-WCB
2
闸板架Disc frame
WCB
A216-WCB
WCB
A216-WCB
3
楔块Wedge block
WCB+STL
A216-WCB+STL
WCB+STL
A216-WCB+STL
4
闸板Disc
25+STL
A105+STL
1Crl8Ni9+STL
A276-304+STL
5
阀座Seat
25+STL
A105+STL
1Crl8Ni9+STL
A276-304+STL
6
阀杆Stem
2Cr13
A276-410
1Crl8Ni9
A276-304
7
垫片Gasket
柔性石墨+1Crl8Ni9 Graphite+1Crl8Ni9
柔性石墨+1Crl8Ni9 Graphite+1Crl8Ni9
柔性石墨+1Crl8Ni9 Graphite+1Crl8Ni9
柔性石墨+1Crl8Ni9 Graphite+1Crl8Ni9
8
螺柱Stud
35CrMoA
A193-B7
35CrMoA
A193-B7
9
螺母Nut
35
A194-2H
35
A194-2H
10
阀盖Bonnet
2WCB
A216-WCB
WCB
A216-WCB
11
上密封座 back seat
1Cr13
A276-410
1Crl8Ni9
A276-304
12
填料packing
柔性石墨 Graphite
13
填料压套packing press -sleeve
2Cr13
A276-420
2Cr13
A276-420
14
填料压套packing gland
WCB
A276-WCB
WCB
A216-WCB
15
支架Yoke
WCB
A216-WCB
WCB
A216-WCB
16
阀杆螺母Stem nut
ZQAl9-4
C95500
ZQAl9-4
C95500
17
压盖Glandt
25
A105
25
A105
18
手轮Hand wheel
QT400-17
A536-60-40-18
QT400-17
A536-60-40-18
19
指示罩Indicating cover
25
A105
25
A105
注：阀门主要零部件材质可根据实际工况条件或用户特殊要求设计选用。 Notes The majo r parts of the valves can be designed and selected according to actual work condition or customers’specific requirement
